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Finding the Fourth Proportional to 44,288, 66,432 and 18,007.04

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Solution

The fourth proportional to 44,288, 66,432 and 18,007.04 is: 27,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,288 : 66,432 = 18,007.04 : x
  2. Step 2: Convert to fraction form
    44,288/66,432 = 18,007.04/x
  3. Step 3: Cross multiply
    44,288x = 66,432 × 18,007.04
  4. Step 4: Simplify right side
    44,288x = 1,196,243,681.28
  5. Step 5: Solve for x
    x = 1,196,243,681.28/44,288
  6. Step 6: Final answer
    x = 27,010.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.